138899500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{14621}}^1$

素因数の和:14659

約数の個数: 48

約数和(自身を含む): 319344480

約数和(自身を除く): 180444980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 14621, 29242, 58484, 73105, 146210, 277799, 292420, 365525, 555598, 731050, 1111196, 1388995, 1462100, 1827625, 2777990, 3655250, 5555980, 6944975, 7310500, 13889950, 27779900, 34724875, 69449750, 138899500]

約数ペア:

[(1, 138899500), (2, 69449750), (4, 34724875), (5, 27779900), (10, 13889950), (19, 7310500), (20, 6944975), (25, 5555980), (38, 3655250), (50, 2777990), (76, 1827625), (95, 1462100), (100, 1388995), (125, 1111196), (190, 731050), (250, 555598), (380, 365525), (475, 292420), (500, 277799), (950, 146210), (1900, 73105), (2375, 58484), (4750, 29242), (9500, 14621)]